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DG834N RangeMax NEXT Wireless ADSL2+ Modem Router Reference Manual
3-12 Protecting Your Network
v1.0, October 2008
Order of Precedence for Rules
As you define new rules, they are added to the tables in the Firewall Rules screen, as shown in the
following figure:
For any traffic attempting to pass through the firewall, the packet information is subjected to the
rules in the order shown in the Rules table, beginning at the top and proceeding to the default rules
at the bottom. In some cases, the order of precedence of two or more rules might be important in
determining the disposition of a packet. The Move button allows you to relocate a defined rule to a
new position in the table.
The Firewall Rules screen also lets you easily open or close AOL or MSN Instant Messenger
ports:
1. Under Instant Messaging (IM) Ports, select a radio button:
• Close IM Ports. Specifies to disable instant messaging traffic.
• Open IM Ports. Specifies to enable instant messaging traffic. IM ports are open by
default.
2. Click Apply to save your changes.
Figure 3-8